[ofa-general] Re: [PATCH 00 of 33] Set of ipath patches for 2.6.22
Roland Dreier
rdreier at cisco.com
Tue Apr 10 17:35:21 PDT 2007
> Is there any chance of getting a fix for the use-after-free that can
> be caused by allocating something from userspace, failing to mmap the
> buffer and then exiting? To see what happens, look at how
> ipath_create_cq sticks a struct ipath_mmap_info into the pending mmap
> "list" (and yes it would be much cleaner to just use struct list_head
> here rather than reimplementing a linked list yourself), and then look
> at how ipath_destroy_cq() frees the same structure without checking if
> it has been removed from the pending mmap list.
By the way, would it help get this fixed if I opened a bug on openfabrics.org?
Or is that a waste of time?
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